Re: SunFire V240 hangs

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From: Sébastien Bernard <seb@xxxxxxxxxxxxxx>
Date: Sun, 26 Apr 2009 01:30:35 +0200

> sparc port is unofficial but available on the ports.ubuntu.com for all
> version up to 9.04.
> PPC has been retrogaded in ports recently since apple dropped that
> arch in favor of x86.
> The compiler is not custom. It came from the ubuntu archive.
> I don't think the compiler is the culprit in this case because all of
> the kernels built before 2.6.29 are working OK
> (I could be wrong, but it's unlikely).

I'm worryed with this particular bug because the NMI code added
in 2.6.29 where this bootup is hanging has a loop over a variable
changing, with a memory barrier in there.  It's exactly the kind
of thing a compiler error can and has caused in the past.

> I have a sid debian sparc available. I'll try to build a kernel with
> that compiler and try if it changes anything.

Thanks.
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